[POWERPC] EEH: Drivers that need reset trump others

Bugfix: if a driver controlling one part of a multi-function PCI card
has asked for a reset, honor that request above all others.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index 6e631b5..57e025e 100644 (file)
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -105,9 +105,10 @@ static void eeh_report_error(struct pci_dev *dev, void *userdata)
                return;
 
        rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen);
+
+       /* A driver that needs a reset trumps all others */
+       if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
        if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-       if (*res == PCI_ERS_RESULT_DISCONNECT &&
-            rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 }
 
 /**
@@ -129,9 +130,10 @@ static void eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata)
                return;
 
        rc = driver->err_handler->mmio_enabled (dev);
+
+       /* A driver that needs a reset trumps all others */
+       if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
        if (*res == PCI_ERS_RESULT_NONE) *res = rc;
-       if (*res == PCI_ERS_RESULT_DISCONNECT &&
-            rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
 }
 
 /**